
import auth from '@/plugins/auth.ts'
import router, { constantRoutes, dynamicRoutes } from '@/router/index.ts'
import { getRouters } from '@/api/menu.ts'
import Layout from '@/layout/index.vue'
import ParentView from '@/components/ParentView/index.vue'
import InnerLink from '@/layout/components/InnerLink/index.vue'

// 匹配views里面所有的.vue文件，在 vite.config.ts 中配置别名确保已经配置了 @ 别名指向 src 目录：
//const modules = import.meta.glob('./../../views/**/*.vue')
const modules = import.meta.glob('@/views/**/*.vue');

const usePermissionStore = defineStore(
  'permission',
  {
    state: () => ({
      routes: [] as any[],
      addRoutes: [] as any[],
      defaultRoutes: [] as any[],
      topbarRouters: [] as any[],
      sidebarRouters: [] as any[]
    }),
    actions: {
      setRoutes(routes:any) {
        this.addRoutes = routes
        this.routes = constantRoutes.concat(routes)
      },
      setDefaultRoutes(routes:any) {
        this.defaultRoutes = constantRoutes.concat(routes)
      },
      setTopbarRoutes(routes:any) {
        this.topbarRouters = routes
      },
      setSidebarRouters(routes:any) {
        this.sidebarRouters = routes
      },
      async generateRoutes() {
          try {
            // 等待后端路由数据请求完成
            const res = await getRouters();
            const sdata = JSON.parse(JSON.stringify(res.data));
            const rdata = JSON.parse(JSON.stringify(res.data));
            const defaultData = JSON.parse(JSON.stringify(res.data));

            // 处理路由数据
            const sidebarRoutes = filterAsyncRouter(sdata);
            const rewriteRoutes = filterAsyncRouter(rdata, false, true);
            const defaultRoutes = filterAsyncRouter(defaultData);
            const asyncRoutes = filterDynamicRoutes(dynamicRoutes);

            // 动态添加路由
            asyncRoutes.forEach(route => router.addRoute(route));

            // 更新状态
            this.setRoutes(rewriteRoutes);
            this.setSidebarRouters(constantRoutes.concat(sidebarRoutes));
            this.setDefaultRoutes(sidebarRoutes);
            this.setTopbarRoutes(defaultRoutes);

            // 返回处理后的路由
            return rewriteRoutes;

          } catch (error) {
            // 统一错误处理（可选）
            //console.error('Route generation failed:', error);
            throw error; // 保持与原始 Promise 相同的 reject 行为
          }
        }
    }
  })

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap:any, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap:any, lastRouter = false) {
  var children:any[] = []
  childrenMap.forEach(el => {
    el.path = lastRouter ? lastRouter.path + '/' + el.path : el.path
    if (el.children && el.children.length && el.component === 'ParentView') {
      children = children.concat(filterChildren(el.children, el))
    } else {
      children.push(el)
    }
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes:any) {
  const res:any[] = []
  routes.forEach(route => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view:string) => {
  let res
  for (const path in modules) {
    const dir = path.split('views/')[1].split('.vue')[0]
    if (dir === view) {
      res = () => modules[path]()
    }
  }
  return res
}

export default usePermissionStore
